by APOD Robot » Tue Jun 04, 2019 4:06 am
SEIS: Listening for Marsquakes
Explanation: If you put your ear to Mars, what would you hear? To find out, and to explore the unknown interior of
Mars, NASA's
Insight Lander deployed SEIS late last year, a sensitive
seismometer that can detect marsquakes. In early April, after hearing the wind and motions initiated by the lander itself, SEIS recorded an
unprecedented event that matches what was expected for a
marsquake. This event can be heard on
this YouTube video. Although Mars is not thought to have
tectonic plates like the Earth, numerous faults are visible on the Martian surface which likely occurred as the hot interior of Mars cooled -- and continues to
cool. Were strong enough
marsquakes to occur,
SEIS could hear their rumbles reflected from large structures internal to Mars, like a
liquid core, if one exists.
Pictured last week, SEIS
sits quietly on the Martian surface,
taking in some Sun while light
clouds are visible over the horizon.
[url=https://apod.nasa.gov/apod/ap190604.html] [img]https://apod.nasa.gov/apod/calendar/S_190604.jpg[/img] [size=150]SEIS: Listening for Marsquakes[/size][/url]
[b] Explanation: [/b] If you put your ear to Mars, what would you hear? To find out, and to explore the unknown interior of [url=https://solarsystem.nasa.gov/planets/mars/overview/]Mars[/url], NASA's [url=https://mars.nasa.gov/insight/spacecraft/about-the-lander/]Insight Lander[/url] [url=https://apod.nasa.gov/apod/ap181210.html]deployed[/url] [url=https://mars.nasa.gov/insight/spacecraft/instruments/seis/]SEIS[/url] late last year, a sensitive [url=https://www.seis-insight.eu/en/public-2/planetary-seismology/how-a-seismometer-works]seismometer[/url] that can detect marsquakes. In early April, after hearing the wind and motions initiated by the lander itself, SEIS recorded an [url=https://www.nasa.gov/press-release/nasa-s-insight-lander-captures-audio-of-first-likely-quake-on-mars]unprecedented event[/url] that matches what was expected for a [url=http://www.planetary.org/blogs/emily-lakdawalla/2019/insight-detects-marsquake.html]marsquake[/url]. This event can be heard on [url=https://youtu.be/DLBP-5KoSCc]this YouTube video[/url]. Although Mars is not thought to have [url=https://svs.gsfc.nasa.gov/2953]tectonic plates[/url] like the Earth, numerous faults are visible on the Martian surface which likely occurred as the hot interior of Mars cooled -- and continues to [url=https://twitter.com/nasainsight]cool[/url]. Were strong enough [url=https://www.seis-insight.eu/en/public-2/martian-science/is-there-marsquake]marsquakes[/url] to occur, [url=https://en.wikipedia.org/wiki/Seismic_Experiment_for_Interior_Structure]SEIS[/url] could hear their rumbles reflected from large structures internal to Mars, like a [url=https://www.newscientist.com/article/dn11962-lab-study-indicates-mars-has-a-molten-core/]liquid core[/url], if one exists. [url=https://mars.nasa.gov/raw_images/10747/?site=insight]Pictured last week[/url], SEIS [url=https://photojournal.jpl.nasa.gov/catalog/PIA23180]sits quietly[/url] on the Martian surface, [url=https://www.luvbat.com/uploads/kitten_napping_on_a_sun-bed_5920828459.jpg]taking in some Sun[/url] while light [url=https://apod.nasa.gov/apod/ap010417.html]clouds[/url] are visible over the horizon.
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